It also took many years to put capable computers in the hands of the general public, but it eventually happened. I believe the same will happen here, we're just in the Mainframe era of AI.

Yeah, but computers don't replace you. They are building AI to replace you. You think if these companies eventually achieve AGI that you are going to give you access to it? They are already gatekeeping an LLM because they don't trust you with it.